Finding the Fourth Proportional to 683,467.80, 1,025,201.70 and 615,816.60
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Solution
The fourth proportional to 683,467.80, 1,025,201.70 and 615,816.60 is: 923,724.90
Step by Step Solution
- Step 1: Write the proportion equation
683,467.80 : 1,025,201.70 = 615,816.60 : x - Step 2: Convert to fraction form
683,467.80/1,025,201.70 = 615,816.60/x - Step 3: Cross multiply
683,467.80x = 1,025,201.70 × 615,816.60 - Step 4: Simplify right side
683,467.80x = 631,336,225,208.22 - Step 5: Solve for x
x = 631,336,225,208.22/683,467.80 - Step 6: Final answer
x = 923,724.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.